440919442 has 4 divisors (see below), whose sum is σ = 661379166. Its totient is φ = 220459720.

The previous prime is 440919433. The next prime is 440919511. The reversal of 440919442 is 244919044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 367834041 + 73085401 = 19179^2 + 8549^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110229859 + ... + 110229862.

Almost surely, 2^440919442 is an apocalyptic number.

440919442 is a deficient number, since it is larger than the sum of its proper divisors (220459724).

440919442 is a wasteful number, since it uses less digits than its factorization.

440919442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220459723.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 440919442 is about 20998.0818647799. The cubic root of 440919442 is about 761.1199105610.

The spelling of 440919442 in words is "four hundred forty million, nine hundred nineteen thousand, four hundred forty-two".